Toothbrush



FIG. 1 is a front perspective view of a first embodiment of a toothbrush, showing my design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a front perspective view of a second embodiment of a toothbrush, showing my design;

FIG. 9 is a right side elevation view thereof;

FIG. 10 is a left side elevation view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a front perspective view of a third embodiment of a toothbrush, showing my design;

FIG. 16 is a right side elevation view thereof;

FIG. 17 is a left side elevation view thereof;

FIG. 18 is a front elevation view thereof;

FIG. 19 is a rear elevation view thereof;

FIG. 20 is a bottom plan view thereof; and,

FIG. 21 is a top plan view thereof. 

CLAIM The ornamental design for a toothbrush, as shown and described. 